TB 9-2320-279-13&P-4
OPERATOR MAINTENANCE
INTRODUCTION
SCOPE
This technical bulletin is used for operation, and both operator-performed and field level maintenance of HEMTT
M983A2 LET series vehicles.
Table 1. Overview.
DESCRIPTION
M983A2 LET TRACTOR
Tractor vehicle with 82,000 lbs (37 228 kg) GVWR, and
135,000 lbs (61 290 kg) GCWR (primary and secondary
roads) or 117,000 lbs (53 118 kg) GCWR (cross coun-
try). Vehicle is equipped with fifth wheel, 3.5 in. (8.9 cm)
kingpin, and 45,000 lbs (20 430 kg) recovery winch.
Figure 1.
MAINTENANCE FORMS AND RECORDS
Department of the Army forms and procedures used for equipment maintenance will be those prescribed by DA
PAM 750-8 The Army Maintenance Management System (TAMMS) Users Manual.
EQUIPMENT IMPROVEMENT REPORT AND MAINTENANCE DIGEST (EIR MD) AND QUALITY DEFICIENCY
REPORTING (QDR)
The quarterly TB 43-0001-62 (series) Equipment Improvement Report and Maintenance Digest contains valuable
field information on equipment covered in this technical bulletin. Information in the TB 43-0001-62 (series) Equipment
Improvement Report and Maintenance Digest is compiled from some of the Equipment Improvement Reports (EIR)
that have been prepared on vehicles covered in this technical bulletin. Many of these articles result from comments,
suggestions, and improvement recommendations that were submitted to the EIR program. TB 43-0001-62 (series)
Equipment Improvement Report and Maintenance Digest contains information on equipment improvements, minor
alterations, proposed Modification Work Orders (MWOs), warranties (if applicable), actions taken on some of the
DA Form 2028's (Recommended Changes to Publications), and advance information on proposed changes that
may affect this technical bulletin. Refer to the TB 43-0001-62 (series) Equipment Improvement Report and
Maintenance Digest periodically for the most current and authoritative information on the equipment. The information
will help you to do a better job and will advise of the latest changes to this technical bulletin. Also refer to DA PAM
25-30, Consolidated Index of Army Publications and Blank Forms at http://www.army.mil/usapa/2530.html, and
reference section of this technical bulletin. If you have a change recommendation to this technical bulletin, submit a
DA Form 2028 (Recommended Changes to Publications) via e-mail to: ROCK-TACOM-TECH-
PUBS@conus.army.mil.
If your vehicle needs improvement, let us know. You, the user, are the only one who can tell us what you don't like
about your equipment. Let us know why you don't like the design or performance. Report all defects in material or
workmanship on a product via Quality Deficiency Report (QDR) utilizing the Army Electronic Product Support (AEPS)
web site: http://aeps.ria.army.mil. If assistance is needed in submitting the QDR in AEPS, contact via email at:
